דברי הימים ב כד:כב פירוש: רש״י

and upon his death, he said, “May the Lord see and requite.” For they have slain me only because I spoke as the Omnipresent’s medium, and since I have been slain for His sake, it is proper and fitting that He requite my blood. And so it was: his blood was immediately requited, for “it came to pass at the turn of the year, etc.”